1012443312 has 40 divisors (see below), whose sum is σ = 2664833904. Its totient is φ = 331112704.

The previous prime is 1012443301. The next prime is 1012443317. The reversal of 1012443312 is 2133442101.

It is not an unprimeable number, because it can be changed into a prime (1012443317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196443 + ... + 201530.

Almost surely, 2^1012443312 is an apocalyptic number.

1012443312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012443312 is an abundant number, since it is smaller than the sum of its proper divisors (1652390592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012443312 is a wasteful number, since it uses less digits than its factorization.

1012443312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398037 (or 398031 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1012443312 is about 31818.9143749437. The cubic root of 1012443312 is about 1004.1306846179.

Adding to 1012443312 its reverse (2133442101), we get a palindrome (3145885413).

The spelling of 1012443312 in words is "one billion, twelve million, four hundred forty-three thousand, three hundred twelve".